Answer:Please see below for answers
Explanation:A perfectly competitive market exist where there are many buyers and sellers with homogeneous products, and no restrictions to the entry and exit of the market. In the short run of this market, economic profits are attainable even though they vary and is the factor that determines whether to exit or remain in the market. Here, Price = Marginal cost equal Marginal Revenue.
A monopolistic market occurs where many sellers with slight different products exists having slight influence to set the price according to firm's preference, and no significant barriers to entryof the market.
--Sells a product identical to those of its competitors----Perfectly competitive
---Can earn economic profit in the short run------Both Monopolistically and Perfectly competitive
---Produces above the minimum average total cost in the long run----- Monopolistically Competitive
--Charges a price that is the same as marginal cost ----Perfectly competitive firm
--Produces welfare-maximizing level of output -----Perfectly competitive
---Has marginal revenue less than price----Monopolistically Competitive